diff options
| author | Max Krummenacher <max.krummenacher@toradex.com> | 2020-11-26 17:43:06 +0100 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2020-12-08 15:01:18 +0100 |
| commit | 250a6308016fb984e32b0e64e5be449d8b5d17a9 (patch) | |
| tree | 6fe7e9838e993db81eb5a3ec705a0af0abf28baa /recipes-core/udev/files/verdin-imx8mp/toradex-adc.sh | |
| parent | 21aae47faea28cff88cb4f33825495a5356a1f72 (diff) | |
verdin-imx8mp: udev: add symlink rules
Create stable symlinks mapping Verdin family function names to the kernel
device files.
Related-to: ELB-3293
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
(cherry picked from commit deabb60123ce2454694d643bdfb2ee7501888f7f)
Diffstat (limited to 'recipes-core/udev/files/verdin-imx8mp/toradex-adc.sh')
| -rwxr-xr-x | recipes-core/udev/files/verdin-imx8mp/toradex-adc.sh | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/recipes-core/udev/files/verdin-imx8mp/toradex-adc.sh b/recipes-core/udev/files/verdin-imx8mp/toradex-adc.sh new file mode 100755 index 0000000..1591170 --- /dev/null +++ b/recipes-core/udev/files/verdin-imx8mp/toradex-adc.sh @@ -0,0 +1,21 @@ +#!/usr/bin/env sh +# +# Called from udev. Compatible to verdin-imx8mp. +# +# Create/remove symlinks to/from the files with raw adc data. + +# Map the ADC lines: +# verdin-adc{1..4} -> TLA2024 ADC{3,2,1,0} + +if [ "$ACTION" = "add" ]; then + ln -s "/sys$DEVPATH/in_voltage0_raw" /dev/verdin-adc4 + ln -s "/sys$DEVPATH/in_voltage1_raw" /dev/verdin-adc3 + ln -s "/sys$DEVPATH/in_voltage2_raw" /dev/verdin-adc2 + ln -s "/sys$DEVPATH/in_voltage3_raw" /dev/verdin-adc1 +elif [ "$ACTION" = "remove" ]; then + rm -f /dev/verdin-adc1 + rm -f /dev/verdin-adc2 + rm -f /dev/verdin-adc3 + rm -f /dev/verdin-adc4 +fi + |